---
type: "Research"
title: "REALM (2020)"
description: "Retrieval-augmented pre-training; knowledge can be retrieved, not only stored."
resource: "https://arxiv.org/abs/2002.08909"
tags: [retrieval, research]
generated: { by: human:crpage, at: 2026-07-09T09:44:00Z }
status: stable
sources: [{ id: primary, resource: "https://arxiv.org/abs/2002.08909" }]
---

Made the case that world knowledge should be **retrieved** rather than stored only in parameters — directly relevant to changing API docs. Not about API syntax, but the intellectual root of the discovery-and-retrieval layer.

Relates to: [Discovery and retrieval](../stack/discovery-and-retrieval.md).